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SC520 3BSE003816R1 Industrial card

When the input 'AdjRErInp' is enabled, the error code 133.00 is displayed initially until the resistance has been computed. This can take a maximum of 10 s after which the value measured for REr is displayed. The value measured for Rf is 97.0. During normal operation, the value entered for REr on the HMI is displayed. Normal operation: Neither of the two I/P's 'AdjCoupCInp' and 'AdjRErInp' are disabled and injection is taking place. Note: Only one of the binary I/P's may be enabled at any one time, otherwise an error code is generated for the measurements Rf, C and REr (see table below).

Alarm-Delay Time between pick-up of the alarm stage and an alarm Trip-Delay Time between pick-up of the tripping stage and a trip RFr-AlarmVal Ground fault resistance setting for alarm. RFr for alarm must be greater than RFr for tripping. RFr-TripVal Ground fault resistance setting for tripping REr Grounding resistor REr Uir The normal rotor injection voltage is 50 V. Provision is also made for an injection voltage of 20 or 30 V by appropriately changing the wiring on the injection transformer block Type REX 011.

Explanation of measurements

 Rfr: Ground fault resistances between 0 and 29.8 k can be determined and displayed. A display of 29.9 k or 30 k indicates a ground fault resistance >29.8 k. A value of 29.9 k or 30 k is displayed when there is no ground fault. A whole number between 100 and 111 is displayed for the fault code in cases when it is not possible to compute the ground fault resistance.
100.0 means no injection for more than 5 s.
101.0 means incorrect frequency. Either the injection frequency on the REX 010 or the rated frequency on the RE. 216 is incorrectly set.
102.0 means external open-circuit.
109.0 means that both the binary inputs 'AdjREsInp' and 'AdjCoupCInp' are enabled.
111.0 means that the binary input 'AdjRErInp' is enabled. No other codes will normally be generated, but if they are, they are a diagnostic aid for the specialist. Ck": When the input 'AdjCoupCInp' is enabled, 133.00 is displayed initially until the coupling capacitor has been computed. This can take a maximum of 10 s after which the value measured for C is displayed. During normal operation, the value entered for the coupling capacitor C on the HMI is displayed.